74HC244PW-Q100 Просмотр технического описания (PDF) - NXP Semiconductors.
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74HC244PW-Q100 Datasheet PDF : 17 Pages
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NXP Semiconductors
74HC244-Q100; 74HCT244-Q100
Octal buffer/line driver; 3-state
5.2 Pin description
Table 2. Pin description
Symbol
Pin
1OE, 2OE
1, 19
1A0, 1A1, 1A2, 1A3
2, 4, 6, 8
2Y0, 2Y1, 2Y2, 2Y3
3, 5, 7, 9
GND
10
2A0, 2A1, 2A2, 2A3
17, 15, 13, 11
1Y0, 1Y1, 1Y2, 1Y3
18, 16, 14, 12
VCC
20
Description
output enable input (active LOW)
data input
bus output
ground (0 V)
data input
bus output
supply voltage
6. Functional description
Table 3. Function table[1]
Input
nOE
nAn
L
L
L
H
H
X
Output
nYn
L
H
Z
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Max Unit
VCC
IIK
IOK
IO
ICC
IGND
Tstg
Ptot
supply voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
VI < 0.5 V or VI > VCC + 0.5 V
VO < 0.5 V or VO > VCC + 0.5 V
0.5 V < VO < VCC + 0.5 V
0.5
-
-
-
-
70
65
[1] -
+7
V
20 mA
20 mA
35 mA
70
mA
-
mA
+150 C
500 mW
[1] For SO20 packages: above 70 C, Ptot derates linearly with 8 mW/K.
For TSSOP20 package: above 60 C, Ptot derates linearly with 5.5 mW/K.
For DHVQFN20 packages: above 60 C, Ptot derates linearly with 4.5 mW/K.
74HC_HCT244_Q100
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1. — 7 August 2012
© NXP B.V. 2012. All rights reserved.
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